body {
    background-color: #f0f0f0;
}

::-webkit-scrollbar {
    width: 25px;
}

::-webkit-scrollbar-thumb {
    background-color: #f90;
    border-radius: 25px;
}

::-webkit-scrollbar-track {
    background-color: #666;
}

#draggableBox {
    height: 340px;
    background-color: #fafafa;
    position: relative;
}

#draggableBtn {
    position: absolute; /* 被拖动的元素必须设置 position 为 absolute */
    top: 10px;
    left: 10px;
}

.showBtn, .scoreBtn, .editBtn, #searchBtn, .delBtn {
    color: #000000;
}

#searchBtn:hover {
    color: #fff;
}